Elements Of Remote Sensing MCQ Questions & Answers

51

‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

A) Height displacement of A will be less than that of B B) Height displacement of B will be less than that of A C) Height displacement of A and B is equal D) Height displacement of A and B will be towards each other

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Answer & Solution

Answer: Option A

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52

Which one of the following statements is correct?

A) Snow albedo falls at all wave length with the increase of grain size B) The effect of grain size on reflection is maximum in the near-IR region C) The effect of grain size on reflection is low in the visible region of the spectrum D) All of these

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Answer: Option D

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53

Which one of the following statements is correct?

A) The function of an information system is to improve one’s ability to make decisions B) The information system is the chain of operations C) A map is a collection of stored, analyzed data, its stored information is suitability used in making decisions D) All the above

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Answer & Solution

Answer: Option D

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54

Which one of the following statements is correct?

A) π radians equal to 180° B) The cone subtended by an area on the sphere at the centre, is called the solid angle C) The solid angle is equal to the ratio of the area on the sphere and the square of the radius of the sphere D) All of these

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Answer & Solution

Answer: Option D

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55

Leaf reflectance depends primarily on:

A) The pigments B) Internal cell structure C) Equivalent water content D) All of these

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Answer & Solution

Answer: Option D

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56

The code based GPS receivers are generally used for:

A) Vehicle tracking B) Land navigation C) Trans movement D) All of these

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Answer & Solution

Answer: Option D

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57

Which one of the following statements regarding remote sensing is correct?

A) The interaction of the electromagnetic radiation with the target B) The emission of electromagnetic radiation from the target C) Both (A) and (B) D) Neither (A) nor (B)

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Answer & Solution

Answer: Option C

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58

The object of photo-interpretation is:

A) Identification B) Recognition of objects C) Judging the significance of objects D) All of these

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Answer & Solution

Answer: Option D

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59

The various stages occuring in GPS system are described below:
1. Generation of an output to the user
2. Detection of the GPS signals
3. Processing the data in the built-in-computer
4. Decoding the GPS signal.
The correct sequence of the stages is:

A) 1, 2, 3, 4 B) 2, 3, 4, 1 C) 2, 4, 3, 1 D) 3, 1, 2, 4

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Answer & Solution

Answer: Option C

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60

Pick up the correct statement from the following:

A) A graphical representation of spectral reflectance verses the various growth stages of a crop, depicts a phonologic pattern B) The changes in the polarization of the radiation reflected or emitted by an object, is known as polarization variation C) The degree of polarization is a characteristic of the object which helps in the identification of the object D) All of these

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Answer: Option D

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Elements Of Remote Sensing MCQ Questions & Answers | Civil Engineering